/* Determines the browser name and version */
	var isNS6 = false;			/* Netscape Version 6 */
	var isNS4 = false;			/* Netscape Version 4 */
	var isIE4 = false;			/* Internet Explorer Version 4 */

  	/* reassign variable depending on the browser */
	if (navigator.appName == "Netscape") {
      		if (parseInt(navigator.appVersion) == 5) {
          		isNS6 = true;
        	} else {
        		if (NS4 = (document.layers)) {
           			isNS4 = true;
           		}
        	}
	} else {
     		if (navigator.appName == "Microsoft Internet Explorer") {
	    		if (IE4 = (document.all)) {
           			isIE4 = true;
           		}
        	}
     	}

   	/* Flag to indicate the if the page is loaded */
  	var loaded = false;

   	/* Flag to indicate the currently active link - this sets the default on page load*/
   	var CurrentLink = "contact";
	
	/* Arrows Types */
	IMAGE_arrow_off				= new Image;
	IMAGE_arrow_off.src			= './images/nav/arrow_off.gif';
	IMAGE_arrow_current			= new Image;
	IMAGE_arrow_current.src		= './images/nav/arrow_down.gif';
	IMAGE_arrow_over			= new Image;
	IMAGE_arrow_over.src		= './images/nav/arrow_over.gif';
	
	/* Define Arrows for each category */
	IMAGE_client_arrow 			= new Image;
	IMAGE_client_arrow.src 		= IMAGE_arrow_off.src;
	IMAGE_contact_arrow			= new Image;
	IMAGE_contact_arrow.src		= IMAGE_arrow_current.src;
	IMAGE_portfolio_arrow		= new Image;
	IMAGE_portfolio_arrow.src	= IMAGE_arrow_off.src;
	IMAGE_profile_arrow			= new Image;
	IMAGE_profile_arrow.src		= IMAGE_arrow_off.src;
	IMAGE_service_arrow			= new Image;
	IMAGE_service_arrow.src		= IMAGE_arrow_off.src;	
	IMAGE_webhosting_arrow		= new Image;
	IMAGE_webhosting_arrow.src	= IMAGE_arrow_off.src;


	function SwapImage(PictureName, NewImage){
		if(loaded) {
			eval('document.images.' + PictureName + '.src=' + NewImage + '.src' );
  		}
	}
